1970001 has 36 divisors (see below), whose sum is σ = 3292016. Its totient is φ = 1176120.

The previous prime is 1969997. The next prime is 1970029. The reversal of 1970001 is 1000791.

It is not a de Polignac number, because 1970001 - 2² = 1969997 is a prime.

It is a hoax number, since the sum of its digits (18) coincides with the sum of the digits of its distinct prime factors.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (1970071) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (11) of ones.

It is a polite number, since it can be written in 35 ways as a sum of consecutive naturals, for example, 29370 + ... + 29436.

2^1970001 is an apocalyptic number.

1970001 is a gapful number since it is divisible by the number (11) formed by its first and last digit.

It is an amenable number.

1970001 is a deficient number, since it is larger than the sum of its proper divisors (1322015).

1970001 is an equidigital number, since it uses as much as digits as its factorization.

1970001 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 104 (or 81 counting only the distinct ones).

The product of its (nonzero) digits is 63, while the sum is 18.

The square root of 1970001 is about 1403.5672409970. The cubic root of 1970001 is about 125.3589893595.

Adding to 1970001 its reverse (1000791), we get a palindrome (2970792).

The spelling of 1970001 in words is "one million, nine hundred seventy thousand, one".